DeepSeek V4 Flash 0423 vs GPT-6 Sol Pro

Price, context window & benchmark comparison

DeepSeek V4 Flash 0423

DeepSeek

$0.0886 / $0.18

Input / Output · per 1M tokens

GPT-6 Sol Pro

OpenAI

$2.00 / $10.00

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4 Flash 0423 is 36.1× cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix. GPT-6 Sol Pro has the larger context window (1.1M vs 1M).

	DeepSeek V4 Flash 0423	GPT-6 Sol Pro
Input price / 1M	$0.0886	$2.00
Output price / 1M	$0.18	$10.00
Blended price (3:1)	$0.11	$4.00
Cached input / 1M	$0.0177	$0.20
Context window	1M	1.1M
Max output	384K	128K
Intelligence index	24.2	—
Coding index	56.2	—
Providers	—	6
Best provider uptime (30m)	—	99.9%
Vision input	No	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-04-24	2026-09-22
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4 Flash 0423 or GPT-6 Sol Pro?

DeepSeek V4 Flash 0423 is 36.1× cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix.

DeepSeek V4 Flash 0423 vs GPT-6 Sol Pro: which has a bigger context window?

DeepSeek V4 Flash 0423: 1,048,576 tokens. GPT-6 Sol Pro: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash 0423 ≈ $265.80, GPT-6 Sol Pro ≈ $9,000.

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